docs: add "// ..." to sample code

To make it clear that only a part of the code is shown.

Author: kenjis

user_guide_src/source/models/model/050.php

@@ -6,6 +6,8 @@
 
 class MyModel extends Model
 {
+    // ...
+
     protected function hashPassword(array $data)
     {
         if (! isset($data['data']['password'])) {

user_guide_src/source/models/model/051.php

@@ -6,6 +6,10 @@
 
 class MyModel extends Model
 {
+    // ...
+
     protected $beforeInsert = ['hashPassword'];
     protected $beforeUpdate = ['hashPassword'];
+
+    // ...
 }

user_guide_src/source/models/model/052.php

@@ -6,5 +6,9 @@
 
 class MyModel extends Model
 {
+    // ...
+
     protected $allowCallbacks = false;
+
+    // ...
 }

user_guide_src/source/models/model/054.php

@@ -6,6 +6,8 @@
 
 class MyModel extends Model
 {
+    // ...
+
     protected $beforeFind = ['checkCache'];
 
     // ...